package com.example.e_comm.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.example.e_comm.entity.Role;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface RoleMapper extends BaseMapper<Role> {
    /**
     * 根据用户id获取角色列表
     * @param userId
     * @return
     */
    @Select("SELECT * FROM roles r " +
            "INNER JOIN user_id ur ON r.id=ur.role_id " +
            "WHERE ur.user_id=#{userId} AND r.deleted=0")
    List<Role> getRolesByUserId(@Param("userId") Long userId);
    /**
     * 根据角色id获取角色列表和权限列表
     * @param roleId
     * @return 符合条件的角色权限列表
     * */
    @Select("SELECT * FROM roles r " +
            "INNER JOIN role_permission rp ON r.id=rp.role_id " +
            "INNER JOIN permissions p ON rp.perm_id=p.id" +
            "WHERE r.id=#{roleId} AND r.deleted=0")
    List<Role> getRolesAndPermissionsByRoleId(@Param("roleId") Long roleId);
}

